Does anyone know if persistent homology with integer coefficients are being used anywhere?

From what I understand, Carlsson's persistent module theory (http://citeseerx.ist.psu.edu/viewdoc/download?doi= works well for field coefficients (only).

Quote: "The correspondence established by Theorem 3.1 suggests the non-existence of simple classifications of persistence modules over a ground ring that is not a field." (pg 7 of the paper)

Thanks for any help.

  • $\begingroup$ What is the relevance of this theorem for your purposes? $\endgroup$ – Peter Saveliev Jul 23 '18 at 2:34
  • $\begingroup$ @PeterSaveliev No specific purpose at the moment, just curious about what happens for non-fields. $\endgroup$ – yoyostein Jul 24 '18 at 16:43

There is a paper "Defining and computing persistent Z-homology in the general case" by Romero et al., arxiv:1403.7086.

  • $\begingroup$ Thanks for the reference. $\endgroup$ – yoyostein Aug 3 '17 at 2:13

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